Hayward W3S180T ProSeries Sand Filter, 18-Inch, Top-Mount

The Hayward ProSeries 18-Inch Above-Ground Pool Filter features durable corrosion-proof materials for dependable all-weather performance

Precision-engineered umbrella-fold self-cleaning lateral system provides efficient flow and evenly distributed water for totally balanced backwashing and long-lasting performance

7-position VariFlo valve provides maximum flow at lower pressure drop

Large pressure sand/water drain for rapid winterizing or servicing

Integral top diffuser ensures even distribution of water over the entire sand bed for maximum use of the filtration area